Horizon have added pulses to their Pulsar dry dog food formulas to create a powerful nutritional combination that reduces the gycemic index and also enhances digestibility with great dietary fiber! Pulses are the edible seeds of the legume plants. These would include peas, lentils, chickpeas, fava beans, etc. Pulses are rich in protein, high in antioxidants, low in fat, gluten free, sodium free and provide an exceptionally low glycemic index. As always, quality protein always remains the #1 ingredient in all Pulsar Grain Free formulas! Horizon Pulsar would be a great addition to any grain free diet.!